engines/sfz/Voice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
 *   Copyright (C) 2009 - 2010 Christian Schoenebeck and Grigor Iliev      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "Voice.h"

#include "Engine.h"
#include "EngineChannel.h"

namespace LinuxSampler { namespace sfz {

    Voice::Voice() {
        pEngine     = NULL;
    }

    Voice::~Voice() {

    }

    EngineChannel* Voice::GetSfzEngineChannel() {
        return static_cast<EngineChannel*>(pEngineChannel);
    }

    void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
        Engine* engine = static_cast<Engine*>(pEngine);
        this->pEngine     = engine;
        this->pDiskThread = engine->pDiskThread;
        dmsg(6,("Voice::SetEngine()\n"));
    }

    Voice::SampleInfo Voice::GetSampleInfo() {
        SampleInfo si;
        si.SampleRate       = pSample->GetSampleRate();
        si.ChannelCount     = pSample->GetChannelCount();
        si.FrameSize        = pSample->GetFrameSize();
        si.BitDepth         = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
        si.TotalFrameCount  = pSample->GetTotalFrameCount();

        si.HasLoops       = pRegion->HasLoop();
        si.LoopStart      = pRegion->GetLoopStart();
        si.LoopLength     = pRegion->GetLoopEnd() - pRegion->GetLoopStart();
        si.LoopPlayCount  = pRegion->GetLoopCount();
        si.Unpitched      = pRegion->pitch_keytrack == 0;
        return si;
    }

    Voice::RegionInfo Voice::GetRegionInfo() {
        RegionInfo ri;
        ri.UnityNote = pRegion->pitch_keycenter;
        ri.FineTune  = pRegion->tune;
        ri.Pan       = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63
        ri.SampleStartOffset = 0; // TODO: 

        ri.EG1PreAttack        = pRegion->ampeg_start * 10;
        ri.EG1Attack           = pRegion->ampeg_attack;
        ri.EG1Hold             = pRegion->ampeg_hold;
        ri.EG1Decay1           = pRegion->ampeg_decay;
        ri.EG1Decay2           = pRegion->ampeg_decay;
        ri.EG1Sustain          = pRegion->ampeg_sustain * 10;
        ri.EG1InfiniteSustain  = true;
        ri.EG1Release          = pRegion->ampeg_release;

        ri.EG2PreAttack        = pRegion->fileg_start * 10;
        ri.EG2Attack           = pRegion->fileg_attack;
        //ri.EG2Hold             = pRegion->fileg_hold; // TODO: 
        ri.EG2Decay1           = pRegion->fileg_decay;
        ri.EG2Decay2           = pRegion->fileg_decay;
        ri.EG2Sustain          = pRegion->fileg_sustain * 10;
        ri.EG2InfiniteSustain  = true;
        ri.EG2Release          = pRegion->fileg_release;

        ri.EG3Attack     = pRegion->pitcheg_attack;
        ri.EG3Depth      = 0; // TODO:
        ri.VCFEnabled    = false; // TODO:
        ri.VCFType       = ::gig::vcf_type_lowpass; // TODO:
        ri.VCFResonance  = 0; // TODO:

        ri.ReleaseTriggerDecay = 0;

        return ri;
    }

    Voice::InstrumentInfo Voice::GetInstrumentInfo() {
        InstrumentInfo ii;
        ii.FineTune = 0; // TODO: 
        ii.PitchbendRange = 2; // TODO: 

        return ii;
    }

    double Voice::GetSampleAttenuation() {
        return 1.0; // TODO: 
    }

    double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
        return double(MIDIKeyVelocity) / 127.0f; // TODO: 
    }

    double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
        return 0.9; // TODO:
    }

    void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
        /*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
            if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
                itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
                CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
            }
        }*/ // TODO: ^^^
    }

    void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
        /*int ccvalue = itEvent->Param.CC.Value;
        if (VCFCutoffCtrl.value == ccvalue) return;
        VCFCutoffCtrl.value == ccvalue;
        if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
        if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
        float cutoff = CutoffBase * float(ccvalue);
        if (cutoff > 127.0f) cutoff = 127.0f;

        VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
        fFinalCutoff = cutoff;*/ // TODO: ^^^
    }

    double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
        /*float crossfadeVolume;
        switch (pRegion->AttenuationController.type) {
            case ::gig::attenuation_ctrl_t::type_channelaftertouch:
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[128])];
                break;
            case ::gig::attenuation_ctrl_t::type_velocity:
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
                break;
            case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
                break;
            case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
            default:
                crossfadeVolume = 1.0f;
        }

        return crossfadeVolume;*/ // TODO: ^^^
        return 1.0f;
    }

    double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
        /*double eg1controllervalue = 0;
        switch (pRegion->EG1Controller.type) {
            case ::gig::eg1_ctrl_t::type_none: // no controller defined
                eg1controllervalue = 0;
                break;
            case ::gig::eg1_ctrl_t::type_channelaftertouch:
                eg1controllervalue = GetSfzEngineChannel()->ControllerTable[128];
                break;
            case ::gig::eg1_ctrl_t::type_velocity:
                eg1controllervalue = MIDIKeyVelocity;
                break;
            case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
                eg1controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
                break;
        }
        if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;

        return eg1controllervalue;*/ // TODO: ^^^
        return 0;
    }

    Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
        /*EGInfo eg;
        // (eg1attack is different from the others)
        eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
            1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
                                  1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
        eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
        eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;

        return eg;*/ // TODO: ^^^
        EGInfo eg;
        eg.Attack = 1.0;
        eg.Decay = 1.0;
        eg.Release = 1.0;
        return eg;
    }

    void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {

        // TODO: controller modulation

        // first check if there is a v2 EG for amplitude
        for (int i = 0 ; i < pRegion->eg.size() ; i++) {
            if (pRegion->eg[i].amplitude > 0) {
                // TODO: actually use the value of the amplitude parameter
                pEG1 = &EG1;
                EG1.trigger(pRegion->eg[i], sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE, velocity);
                return;
            }
        }

        // otherwise use the v1 EGADSR
        pEG1 = &EGADSR1;
        EGADSR1.trigger(uint(RgnInfo.EG1PreAttack),
                        RgnInfo.EG1Attack,
                        RgnInfo.EG1Hold,
                        RgnInfo.EG1Decay1,
                        uint(RgnInfo.EG1Sustain),
                        RgnInfo.EG1Release,
                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
     }

     double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
        /*double eg2controllervalue = 0;
        switch (pRegion->EG2Controller.type) {
            case ::gig::eg2_ctrl_t::type_none: // no controller defined
                eg2controllervalue = 0;
                break;
            case ::gig::eg2_ctrl_t::type_channelaftertouch:
                eg2controllervalue = GetSfzEngineChannel()->ControllerTable[128];
                break;
            case ::gig::eg2_ctrl_t::type_velocity:
                eg2controllervalue = MIDIKeyVelocity;
                break;
            case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
                eg2controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
                break;
        }
        if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;

        return eg2controllervalue;*/ // TODO: ^^^
        return 0;
    }

    Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
        /*EGInfo eg;
        eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
        eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
        eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;

        return eg;*/ // TODO: ^^^
        EGInfo eg;
        eg.Attack = 1.0;
        eg.Decay = 1.0;
        eg.Release = 1.0;
        return eg;
    }

    void Voice::InitLFO1() {
        /*uint16_t lfo1_internal_depth;
        switch (pRegion->LFO1Controller) {
            case ::gig::lfo1_ctrl_internal:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 0; // no external controller
                bLFO1Enabled         = (lfo1_internal_depth > 0);
                break;
            case ::gig::lfo1_ctrl_modwheel:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 1; // MIDI controller 1
                bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_breath:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 2; // MIDI controller 2
                bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_internal_modwheel:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 1; // MIDI controller 1
                bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_internal_breath:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 2; // MIDI controller 2
                bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
                break;
            default:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 0; // no external controller
                bLFO1Enabled         = false;
        }
        if (bLFO1Enabled) {
            pLFO1->trigger(pRegion->LFO1Frequency,
                           start_level_min,
                           lfo1_internal_depth,
                           pRegion->LFO1ControlDepth,
                           pRegion->LFO1FlipPhase,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO1->update(pLFO1->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
        }*/ // TODO: ^^^
        bLFO1Enabled = false;
    }

    void Voice::InitLFO2() {
        /*uint16_t lfo2_internal_depth;
        switch (pRegion->LFO2Controller) {
            case ::gig::lfo2_ctrl_internal:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 0; // no external controller
                bLFO2Enabled         = (lfo2_internal_depth > 0);
                break;
            case ::gig::lfo2_ctrl_modwheel:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 1; // MIDI controller 1
                bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_foot:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 4; // MIDI controller 4
                bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_internal_modwheel:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 1; // MIDI controller 1
                bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_internal_foot:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 4; // MIDI controller 4
                bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
                break;
            default:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 0; // no external controller
                bLFO2Enabled         = false;
        }
        if (bLFO2Enabled) {
            pLFO2->trigger(pRegion->LFO2Frequency,
                           start_level_max,
                           lfo2_internal_depth,
                           pRegion->LFO2ControlDepth,
                           pRegion->LFO2FlipPhase,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO2->update(pLFO2->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
        }*/ // TODO: ^^^
        bLFO2Enabled = false;
    }

    void Voice::InitLFO3() {
        /*uint16_t lfo3_internal_depth;
        switch (pRegion->LFO3Controller) {
            case ::gig::lfo3_ctrl_internal:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO3->ExtController = 0; // no external controller
                bLFO3Enabled         = (lfo3_internal_depth > 0);
                break;
            case ::gig::lfo3_ctrl_modwheel:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 1; // MIDI controller 1
                bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
                break;
            case ::gig::lfo3_ctrl_aftertouch:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 128;
                bLFO3Enabled         = true;
                break;
            case ::gig::lfo3_ctrl_internal_modwheel:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO3->ExtController = 1; // MIDI controller 1
                bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
                break;
            case ::gig::lfo3_ctrl_internal_aftertouch:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO1->ExtController = 128;
                bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
                break;
            default:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 0; // no external controller
                bLFO3Enabled         = false;
        }
        if (bLFO3Enabled) {
            pLFO3->trigger(pRegion->LFO3Frequency,
                           start_level_mid,
                           lfo3_internal_depth,
                           pRegion->LFO3ControlDepth,
                           false,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO3->update(pLFO3->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
        }*/ // TODO: ^^^
        bLFO3Enabled = false;
    }

    float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
        /*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
        if (pRegion->VCFKeyboardTracking) {
            cutoff *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)
        }
        return cutoff;*/ // TODO: ^^^
        return 1.0f;
    }

    float Voice::CalculateFinalCutoff(float cutoffBase) {
        /*int cvalue;
        if (VCFCutoffCtrl.controller) {
            cvalue = GetSfzEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
            if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
            // VCFVelocityScale in this case means Minimum cutoff
            if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
        }
        else {
            cvalue = pRegion->VCFCutoff;
        }
        float fco = cutoffBase * float(cvalue);
        if (fco > 127.0f) fco = 127.0f;

        return fco;*/ // TODO: ^^^
        return 127.0f;
    }

    uint8_t Voice::GetVCFCutoffCtrl() {
        /*uint8_t ctrl;
        switch (pRegion->VCFCutoffController) {
            case ::gig::vcf_cutoff_ctrl_modwheel:
                ctrl = 1;
                break;
            case ::gig::vcf_cutoff_ctrl_effect1:
                ctrl = 12;
                break;
            case ::gig::vcf_cutoff_ctrl_effect2:
                ctrl = 13;
                break;
            case ::gig::vcf_cutoff_ctrl_breath:
                ctrl = 2;
                break;
            case ::gig::vcf_cutoff_ctrl_foot:
                ctrl = 4;
                break;
            case ::gig::vcf_cutoff_ctrl_sustainpedal:
                ctrl = 64;
                break;
            case ::gig::vcf_cutoff_ctrl_softpedal:
                ctrl = 67;
                break;
            case ::gig::vcf_cutoff_ctrl_genpurpose7:
                ctrl = 82;
                break;
            case ::gig::vcf_cutoff_ctrl_genpurpose8:
                ctrl = 83;
                break;
            case ::gig::vcf_cutoff_ctrl_aftertouch:
                ctrl = 128;
                break;
            case ::gig::vcf_cutoff_ctrl_none:
            default:
                ctrl = 0;
                break;
        }

        return ctrl;*/ // TODO: ^^^
        return 0;
    }

    uint8_t Voice::GetVCFResonanceCtrl() {
        /*uint8_t ctrl;
        switch (pRegion->VCFResonanceController) {
            case ::gig::vcf_res_ctrl_genpurpose3:
                ctrl = 18;
                break;
            case ::gig::vcf_res_ctrl_genpurpose4:
                ctrl = 19;
                break;
            case ::gig::vcf_res_ctrl_genpurpose5:
                ctrl = 80;
                break;
            case ::gig::vcf_res_ctrl_genpurpose6:
                ctrl = 81;
                break;
            case ::gig::vcf_res_ctrl_none:
            default:
                ctrl = 0;
        }

        return ctrl;*/ // TODO: ^^^
        return 0;
    }

}} // namespace LinuxSampler::sfz
1	iliev	2012	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	persson	2055	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7			* Copyright (C) 2009 - 2010 Christian Schoenebeck and Grigor Iliev *
8	iliev	2012	* *
9			* This program is free software; you can redistribute it and/or modify *
10			* it under the terms of the GNU General Public License as published by *
11			* the Free Software Foundation; either version 2 of the License, or *
12			* (at your option) any later version. *
13			* *
14			* This program is distributed in the hope that it will be useful, *
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17			* GNU General Public License for more details. *
18			* *
19			* You should have received a copy of the GNU General Public License *
20			* along with this program; if not, write to the Free Software *
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22			* MA 02111-1307 USA *
23			***************************************************************************/
24
25	iliev	2015	#include "Voice.h"
26
27	iliev	2012	#include "Engine.h"
28			#include "EngineChannel.h"
29
30			namespace LinuxSampler { namespace sfz {
31
32			Voice::Voice() {
33			pEngine = NULL;
34			}
35
36			Voice::~Voice() {
37	iliev	2015
38	iliev	2012	}
39
40	iliev	2015	EngineChannel* Voice::GetSfzEngineChannel() {
41			return static_cast<EngineChannel*>(pEngineChannel);
42			}
43
44	iliev	2012	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
45			Engine* engine = static_cast<Engine*>(pEngine);
46			this->pEngine = engine;
47			this->pDiskThread = engine->pDiskThread;
48			dmsg(6,("Voice::SetEngine()\n"));
49			}
50
51	iliev	2015	Voice::SampleInfo Voice::GetSampleInfo() {
52			SampleInfo si;
53			si.SampleRate = pSample->GetSampleRate();
54			si.ChannelCount = pSample->GetChannelCount();
55			si.FrameSize = pSample->GetFrameSize();
56			si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
57			si.TotalFrameCount = pSample->GetTotalFrameCount();
58	iliev	2012
59	iliev	2021	si.HasLoops = pRegion->HasLoop();
60			si.LoopStart = pRegion->GetLoopStart();
61			si.LoopLength = pRegion->GetLoopEnd() - pRegion->GetLoopStart();
62			si.LoopPlayCount = pRegion->GetLoopCount();
63			si.Unpitched = pRegion->pitch_keytrack == 0;
64	iliev	2015	return si;
65			}
66	iliev	2012
67	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
68			RegionInfo ri;
69	iliev	2018	ri.UnityNote = pRegion->pitch_keycenter;
70	iliev	2015	ri.FineTune = pRegion->tune;
71	persson	2045	ri.Pan = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63
72	iliev	2018	ri.SampleStartOffset = 0; // TODO:
73	iliev	2012
74	iliev	2018	ri.EG1PreAttack = pRegion->ampeg_start * 10;
75			ri.EG1Attack = pRegion->ampeg_attack;
76			ri.EG1Hold = pRegion->ampeg_hold;
77			ri.EG1Decay1 = pRegion->ampeg_decay;
78			ri.EG1Decay2 = pRegion->ampeg_decay;
79	persson	2055	ri.EG1Sustain = pRegion->ampeg_sustain * 10;
80	iliev	2015	ri.EG1InfiniteSustain = true;
81	iliev	2018	ri.EG1Release = pRegion->ampeg_release;
82	iliev	2012
83	persson	2055	ri.EG2PreAttack = pRegion->fileg_start * 10;
84	iliev	2018	ri.EG2Attack = pRegion->fileg_attack;
85			//ri.EG2Hold = pRegion->fileg_hold; // TODO:
86			ri.EG2Decay1 = pRegion->fileg_decay;
87			ri.EG2Decay2 = pRegion->fileg_decay;
88	persson	2055	ri.EG2Sustain = pRegion->fileg_sustain * 10;
89	iliev	2015	ri.EG2InfiniteSustain = true;
90	iliev	2018	ri.EG2Release = pRegion->fileg_release;
91	iliev	2012
92	iliev	2018	ri.EG3Attack = pRegion->pitcheg_attack;
93	iliev	2015	ri.EG3Depth = 0; // TODO:
94			ri.VCFEnabled = false; // TODO:
95			ri.VCFType = ::gig::vcf_type_lowpass; // TODO:
96			ri.VCFResonance = 0; // TODO:
97	iliev	2012
98	iliev	2018	ri.ReleaseTriggerDecay = 0;
99	iliev	2012
100	iliev	2015	return ri;
101			}
102	iliev	2012
103	iliev	2015	Voice::InstrumentInfo Voice::GetInstrumentInfo() {
104			InstrumentInfo ii;
105			ii.FineTune = 0; // TODO:
106			ii.PitchbendRange = 2; // TODO:
107
108			return ii;
109			}
110
111			double Voice::GetSampleAttenuation() {
112			return 1.0; // TODO:
113			}
114
115			double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
116			return double(MIDIKeyVelocity) / 127.0f; // TODO:
117			}
118
119			double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
120	iliev	2018	return 0.9; // TODO:
121	iliev	2015	}
122
123			void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
124			/*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
125			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
126			itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
127			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
128			}
129			}*/ // TODO: ^^^
130			}
131
132			void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
133			/*int ccvalue = itEvent->Param.CC.Value;
134			if (VCFCutoffCtrl.value == ccvalue) return;
135			VCFCutoffCtrl.value == ccvalue;
136			if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
137			if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
138			float cutoff = CutoffBase * float(ccvalue);
139			if (cutoff > 127.0f) cutoff = 127.0f;
140
141			VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
142			fFinalCutoff = cutoff;*/ // TODO: ^^^
143			}
144
145			double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
146	iliev	2012	/*float crossfadeVolume;
147			switch (pRegion->AttenuationController.type) {
148			case ::gig::attenuation_ctrl_t::type_channelaftertouch:
149	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[128])];
150	iliev	2012	break;
151			case ::gig::attenuation_ctrl_t::type_velocity:
152	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
153	iliev	2012	break;
154			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
155	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
156	iliev	2012	break;
157			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
158			default:
159			crossfadeVolume = 1.0f;
160			}
161
162	iliev	2015	return crossfadeVolume;*/ // TODO: ^^^
163			return 1.0f;
164			}
165	iliev	2012
166	iliev	2015	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
167			/*double eg1controllervalue = 0;
168			switch (pRegion->EG1Controller.type) {
169			case ::gig::eg1_ctrl_t::type_none: // no controller defined
170			eg1controllervalue = 0;
171			break;
172			case ::gig::eg1_ctrl_t::type_channelaftertouch:
173			eg1controllervalue = GetSfzEngineChannel()->ControllerTable[128];
174			break;
175			case ::gig::eg1_ctrl_t::type_velocity:
176			eg1controllervalue = MIDIKeyVelocity;
177			break;
178			case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
179			eg1controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
180			break;
181	iliev	2012	}
182	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
183	iliev	2012
184	iliev	2015	return eg1controllervalue;*/ // TODO: ^^^
185			return 0;
186			}
187	iliev	2012
188	iliev	2015	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
189			/*EGInfo eg;
190			// (eg1attack is different from the others)
191			eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
192			1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
193			1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
194			eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
195			eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
196	iliev	2012
197	iliev	2015	return eg;*/ // TODO: ^^^
198			EGInfo eg;
199			eg.Attack = 1.0;
200			eg.Decay = 1.0;
201			eg.Release = 1.0;
202			return eg;
203			}
204	iliev	2012
205	persson	2055	void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
206
207			// TODO: controller modulation
208
209			// first check if there is a v2 EG for amplitude
210			for (int i = 0 ; i < pRegion->eg.size() ; i++) {
211			if (pRegion->eg[i].amplitude > 0) {
212			// TODO: actually use the value of the amplitude parameter
213			pEG1 = &EG1;
214			EG1.trigger(pRegion->eg[i], sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE, velocity);
215			return;
216			}
217			}
218
219			// otherwise use the v1 EGADSR
220			pEG1 = &EGADSR1;
221			EGADSR1.trigger(uint(RgnInfo.EG1PreAttack),
222			RgnInfo.EG1Attack,
223			RgnInfo.EG1Hold,
224			RgnInfo.EG1Decay1,
225			uint(RgnInfo.EG1Sustain),
226			RgnInfo.EG1Release,
227			sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
228			}
229
230			double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
231	iliev	2015	/*double eg2controllervalue = 0;
232			switch (pRegion->EG2Controller.type) {
233			case ::gig::eg2_ctrl_t::type_none: // no controller defined
234			eg2controllervalue = 0;
235			break;
236			case ::gig::eg2_ctrl_t::type_channelaftertouch:
237			eg2controllervalue = GetSfzEngineChannel()->ControllerTable[128];
238			break;
239			case ::gig::eg2_ctrl_t::type_velocity:
240			eg2controllervalue = MIDIKeyVelocity;
241			break;
242			case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
243			eg2controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
244			break;
245	iliev	2012	}
246	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
247	iliev	2012
248	iliev	2015	return eg2controllervalue;*/ // TODO: ^^^
249			return 0;
250			}
251	iliev	2012
252	iliev	2015	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
253			/*EGInfo eg;
254			eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
255			eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
256			eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
257	iliev	2012
258	iliev	2015	return eg;*/ // TODO: ^^^
259			EGInfo eg;
260			eg.Attack = 1.0;
261			eg.Decay = 1.0;
262			eg.Release = 1.0;
263			return eg;
264			}
265	iliev	2012
266	iliev	2015	void Voice::InitLFO1() {
267			/*uint16_t lfo1_internal_depth;
268			switch (pRegion->LFO1Controller) {
269			case ::gig::lfo1_ctrl_internal:
270			lfo1_internal_depth = pRegion->LFO1InternalDepth;
271			pLFO1->ExtController = 0; // no external controller
272			bLFO1Enabled = (lfo1_internal_depth > 0);
273			break;
274			case ::gig::lfo1_ctrl_modwheel:
275			lfo1_internal_depth = 0;
276			pLFO1->ExtController = 1; // MIDI controller 1
277			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
278			break;
279			case ::gig::lfo1_ctrl_breath:
280			lfo1_internal_depth = 0;
281			pLFO1->ExtController = 2; // MIDI controller 2
282			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
283			break;
284			case ::gig::lfo1_ctrl_internal_modwheel:
285			lfo1_internal_depth = pRegion->LFO1InternalDepth;
286			pLFO1->ExtController = 1; // MIDI controller 1
287			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
288			break;
289			case ::gig::lfo1_ctrl_internal_breath:
290			lfo1_internal_depth = pRegion->LFO1InternalDepth;
291			pLFO1->ExtController = 2; // MIDI controller 2
292			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
293			break;
294			default:
295			lfo1_internal_depth = 0;
296			pLFO1->ExtController = 0; // no external controller
297			bLFO1Enabled = false;
298	iliev	2012	}
299	iliev	2015	if (bLFO1Enabled) {
300			pLFO1->trigger(pRegion->LFO1Frequency,
301			start_level_min,
302			lfo1_internal_depth,
303			pRegion->LFO1ControlDepth,
304			pRegion->LFO1FlipPhase,
305			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
306			pLFO1->update(pLFO1->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
307	iliev	2012	}*/ // TODO: ^^^
308	iliev	2015	bLFO1Enabled = false;
309			}
310	iliev	2012
311	iliev	2015	void Voice::InitLFO2() {
312			/*uint16_t lfo2_internal_depth;
313			switch (pRegion->LFO2Controller) {
314			case ::gig::lfo2_ctrl_internal:
315			lfo2_internal_depth = pRegion->LFO2InternalDepth;
316			pLFO2->ExtController = 0; // no external controller
317			bLFO2Enabled = (lfo2_internal_depth > 0);
318			break;
319			case ::gig::lfo2_ctrl_modwheel:
320			lfo2_internal_depth = 0;
321			pLFO2->ExtController = 1; // MIDI controller 1
322			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
323			break;
324			case ::gig::lfo2_ctrl_foot:
325			lfo2_internal_depth = 0;
326			pLFO2->ExtController = 4; // MIDI controller 4
327			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
328			break;
329			case ::gig::lfo2_ctrl_internal_modwheel:
330			lfo2_internal_depth = pRegion->LFO2InternalDepth;
331			pLFO2->ExtController = 1; // MIDI controller 1
332			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
333			break;
334			case ::gig::lfo2_ctrl_internal_foot:
335			lfo2_internal_depth = pRegion->LFO2InternalDepth;
336			pLFO2->ExtController = 4; // MIDI controller 4
337			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
338			break;
339			default:
340			lfo2_internal_depth = 0;
341			pLFO2->ExtController = 0; // no external controller
342			bLFO2Enabled = false;
343	iliev	2012	}
344	iliev	2015	if (bLFO2Enabled) {
345			pLFO2->trigger(pRegion->LFO2Frequency,
346			start_level_max,
347			lfo2_internal_depth,
348			pRegion->LFO2ControlDepth,
349			pRegion->LFO2FlipPhase,
350			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
351			pLFO2->update(pLFO2->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
352	iliev	2012	}*/ // TODO: ^^^
353	iliev	2015	bLFO2Enabled = false;
354	iliev	2012	}
355
356	iliev	2015	void Voice::InitLFO3() {
357			/*uint16_t lfo3_internal_depth;
358			switch (pRegion->LFO3Controller) {
359			case ::gig::lfo3_ctrl_internal:
360			lfo3_internal_depth = pRegion->LFO3InternalDepth;
361			pLFO3->ExtController = 0; // no external controller
362			bLFO3Enabled = (lfo3_internal_depth > 0);
363	iliev	2012	break;
364	iliev	2015	case ::gig::lfo3_ctrl_modwheel:
365			lfo3_internal_depth = 0;
366			pLFO3->ExtController = 1; // MIDI controller 1
367			bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
368	iliev	2012	break;
369	iliev	2015	case ::gig::lfo3_ctrl_aftertouch:
370			lfo3_internal_depth = 0;
371			pLFO3->ExtController = 128;
372			bLFO3Enabled = true;
373	iliev	2012	break;
374	iliev	2015	case ::gig::lfo3_ctrl_internal_modwheel:
375			lfo3_internal_depth = pRegion->LFO3InternalDepth;
376			pLFO3->ExtController = 1; // MIDI controller 1
377			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
378			break;
379			case ::gig::lfo3_ctrl_internal_aftertouch:
380			lfo3_internal_depth = pRegion->LFO3InternalDepth;
381			pLFO1->ExtController = 128;
382			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
383			break;
384			default:
385			lfo3_internal_depth = 0;
386			pLFO3->ExtController = 0; // no external controller
387			bLFO3Enabled = false;
388	iliev	2012	}
389	iliev	2015	if (bLFO3Enabled) {
390			pLFO3->trigger(pRegion->LFO3Frequency,
391			start_level_mid,
392			lfo3_internal_depth,
393			pRegion->LFO3ControlDepth,
394			false,
395			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
396			pLFO3->update(pLFO3->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
397			}*/ // TODO: ^^^
398			bLFO3Enabled = false;
399	iliev	2012	}
400
401	iliev	2015	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
402			/*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
403			if (pRegion->VCFKeyboardTracking) {
404			cutoff = exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) 0.057762265f); // (ln(2) / 12)
405	iliev	2012	}
406	iliev	2015	return cutoff;*/ // TODO: ^^^
407			return 1.0f;
408	iliev	2012	}
409
410	iliev	2015	float Voice::CalculateFinalCutoff(float cutoffBase) {
411			/*int cvalue;
412			if (VCFCutoffCtrl.controller) {
413			cvalue = GetSfzEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
414			if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
415			// VCFVelocityScale in this case means Minimum cutoff
416			if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
417	iliev	2012	}
418	iliev	2015	else {
419			cvalue = pRegion->VCFCutoff;
420			}
421			float fco = cutoffBase * float(cvalue);
422			if (fco > 127.0f) fco = 127.0f;
423	iliev	2012
424	iliev	2015	return fco;*/ // TODO: ^^^
425			return 127.0f;
426	iliev	2012	}
427
428	iliev	2015	uint8_t Voice::GetVCFCutoffCtrl() {
429			/*uint8_t ctrl;
430			switch (pRegion->VCFCutoffController) {
431			case ::gig::vcf_cutoff_ctrl_modwheel:
432			ctrl = 1;
433			break;
434			case ::gig::vcf_cutoff_ctrl_effect1:
435			ctrl = 12;
436			break;
437			case ::gig::vcf_cutoff_ctrl_effect2:
438			ctrl = 13;
439			break;
440			case ::gig::vcf_cutoff_ctrl_breath:
441			ctrl = 2;
442			break;
443			case ::gig::vcf_cutoff_ctrl_foot:
444			ctrl = 4;
445			break;
446			case ::gig::vcf_cutoff_ctrl_sustainpedal:
447			ctrl = 64;
448			break;
449			case ::gig::vcf_cutoff_ctrl_softpedal:
450			ctrl = 67;
451			break;
452			case ::gig::vcf_cutoff_ctrl_genpurpose7:
453			ctrl = 82;
454			break;
455			case ::gig::vcf_cutoff_ctrl_genpurpose8:
456			ctrl = 83;
457			break;
458			case ::gig::vcf_cutoff_ctrl_aftertouch:
459			ctrl = 128;
460			break;
461			case ::gig::vcf_cutoff_ctrl_none:
462			default:
463			ctrl = 0;
464			break;
465	iliev	2012	}
466
467	iliev	2015	return ctrl;*/ // TODO: ^^^
468			return 0;
469	iliev	2012	}
470
471	iliev	2015	uint8_t Voice::GetVCFResonanceCtrl() {
472			/*uint8_t ctrl;
473			switch (pRegion->VCFResonanceController) {
474			case ::gig::vcf_res_ctrl_genpurpose3:
475			ctrl = 18;
476			break;
477			case ::gig::vcf_res_ctrl_genpurpose4:
478			ctrl = 19;
479			break;
480			case ::gig::vcf_res_ctrl_genpurpose5:
481			ctrl = 80;
482			break;
483			case ::gig::vcf_res_ctrl_genpurpose6:
484			ctrl = 81;
485			break;
486			case ::gig::vcf_res_ctrl_none:
487			default:
488			ctrl = 0;
489	iliev	2012	}
490
491	iliev	2015	return ctrl;*/ // TODO: ^^^
492			return 0;
493	iliev	2012	}
494
495			}} // namespace LinuxSampler::sfz